code: def test_tagger_with_elmo_token_embedder_can_train_save_and_load(
      self,
  ):
      self.ensure_model_can_train_save_and_load(self.param_file)
  
file_path: allennlp/tests/modules/token_embedders/elmo_token_embedder_test.py
imports: import torch
  from allennlp.common import Params
  from allennlp.common.testing import ModelTestCase
  from allennlp.data.batch import Batch
  from allennlp.modules.token_embedders import ElmoTokenEmbedder
label_desc: Use image node_id 2 for calling the TestElmoTokenEmbedder obj's underlying member method code with example usage: obj.test_tagger_with_elmo_token_embedder_can_train_save_and_load() without return types